has violated the strategic partnership that the president signed last week. and he says it's a breach of afghan sovereignty. >> we signed the partnership agreement with expectation and hope that after signing the strategic partnership agreement the nature of the united states activity in afghanistan would change. >> reporter: u.s. casualties have dropped compared to 2011, but still 300 americans died in afghanistan this year alone. as for afghans, the united nations says that 3,000 civilians were killed from january through july. >> so who would you say is behind the insecurity? is it al qaeda? the taliban, or someone else? >> part of the insecurity is coming from terrorism. part of the insecurity is coming to us from the structures that america created in afghanistan in the private security firms. the contractors that they promoted at the cost of afghan people. and the way they behaved with afghan people and the anger that has caused in the afghan people, and the resulting insecurity. >> would you say you believe that some of these would be intentional insec